C-Strobe(TM) - Manual Activated LED PFD Emergency Strobe w/ClipThe LED C-Strobe is a manually activated personal distress strobe light with dramatically improved operating life. This rugged little waterproof light is USCG/SOLAS approved and has a 45 lumen LED that operates typically for 120 hours continuously. The C-Strobe is activated manually with an easy twist On/Off activation making this an ideal light for all outdoor enthusiasts.Specifications: Size: 5.06 x 1.38 x 1.2 (12.85 x 3.5 x 3.0cm) Weight: 1.2oz (33g) without batteries Operational Life: >120 hr at 30degC (>100 hr at -1degC) Operation: Manual twist On/Off Activation Method: Manual Activation Only Waterproof: Tested for 24 hrs @ 3.3 ft (1m) Lamp: 45 Lumen White LED Light Type: Strobe Battery: 2 AA batteries (sold separately) Certification USCG/SOLAS, CE, Transport Canada Reverse Battery Protection: Yes Accessories: PFD Clip, Lanyard, Velcro Strap Limited Warranty: 1 year WARNING: This product can expose you to chemicals including BISPHENOL A (BPA) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.